#21347C#21347C

#21347C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.125 H 268.2°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#21347C
RGB	rgb(33, 52, 124)
HSL	hsl(227, 58%, 31%)
HSV	hsv(227, 73%, 49%)
CMYK	cmyk(73.4%, 58.1%, 0%, 51.4%)
CIE-LAB	lab(24.43, 19.03, -43.20)
CIE-LCH	lch(24.43, 47.21, 293.77°)
OKLab	oklab(35.57% -0.0039 -0.1244)
OKLCH	oklch(35.57% 0.125 268.2)
XYZ	xyz(5.4920, 4.2340, 19.5927)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21347C #7C6921

analogous

#21617C #21347C #3C217C

triadic

#21347C #7C2134 #347C21

tetradic

#21347C #7C2161 #7C6921 #217C3C

square

#21347C #7C2161 #7C6921 #217C3C

split-complementary

#21347C #7C3C21 #617C21

monochromatic

#070B1B #14204C #21347C #2E48AC #4965CF

Accessibility & contrast

On white

11.37

#21347C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#21347C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21347C

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21347C	#FFFFFF	#000000	##FFFFFF
##21347C	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7E

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #21347c;
/* rgb */ color: rgb(33, 52, 124);
/* oklch */ color: oklch(35.6% 0.125 268.2);

Tailwind

colors: {
  custom: {
    50: '#696ba2',
    500: '#21347c',
    950: '#000000',
  },
}

SCSS

$custom: #21347c;
$custom-light: #696ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#21347c",
  "rgb": {
    "r": 33,
    "g": 52,
    "b": 124
  },
  "hsl": {
    "h": 227.473,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35568,
    "c": 0.12451,
    "h": 268.2
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#21347C

secondary

#AF9A4A

accent

#C147E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #21347C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →